zielke
Member
I've got a 98 400 dancer with 3116 CATS. Approximately 1400 hours. Last week while cruising I brought the boat down off of plane, went to idle cruising (5minutes) during this idle time I noticed that my port side motors oil pressure gauge maxed out to 100+ soon after that the alarm sounded and the motor shut off. I was shocked and startled at first and started the port motor again. Everything seemed fine (oil pressure went to normal) I soon anchored and killed both motors and went to the engine room fearing the worst. Everything was 'normal'. Check the motor for any oil loss and filter break. Checked oil level also. Had the admiral start the motors and bring them both up to 1000 rpm. The mechanical gauges on top of the motors showed normal oil pressure and coolant temperature. We pulled the anchor and headed back home and our normal pace. Oil pressure gauge was in the normal range. Once I brought the boat back down to idle, oil pressure again went back to a high reading without an alarm or motor shutting down. Back at the dock I went back to the engine compartment and looked for a loose wire on the Oil pressure sending unit. I can feel a small movement of playing on the wire but not enough to fix the problem. Do I check the gauge on the dash also? I believe it's a grounding issue because the gauge maxed out. If it failed it would've went dead? Right? Any and all suggestions please!